import time


def singing():
    for i in range(5):
        print("跳舞。。。。", i)
        time.sleep(0.5)
        
def dancing():
    for i in range(5):
        print("跳舞。。。。", i)
        time.sleep(0.5)
    
if __name__ == '__main__':
    singing()
    dancing()